echinodermnoun [ C ]
uk/ekˈaɪ.nəʊ.dɜːm/us/ɪˈkaɪ.noʊ.dɝːm/specializeda type of sea creature with raised areas or sharp points on its skin and a body made of five equal parts arranged around the centre:
Echinoderms like the starfish live on the sea floor.
Thesaurus: synonyms and related words
Sea creatures
- abalone
- amphipod
- barnacle
- bivalve
- cephalopod
- crab
- crayfish
- crustacean
- cuttlefish
- jellyfish
- mussel
- octopus
- oyster
- periwinkle
- prawn
- shrimp
- squid
- starfish
- teredo
- trilobite
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